Insulate a basement / Discussions

How do you fix radon and water infiltration in a dry stone foundation?

...ard they hate that stuff. Many thanks in advance for any advice and/or validation. Any foundation built at the bottom of a mountain for sure needs drainage, ide...

Posted by john flannery July 14, 2020, 4:24 p.m. Foundation and basement improvements 5 Responses

What type of wood can be installed on a radiant floor?

...away with less, we would not recommend heating a slab on grade in any Canadian climate with any less than four inches of foam insulation. Six inches and sometim...

Posted by Colleen Blak Dec. 11, 2017, 1:59 p.m. Flooring and stairs 1 Responses

Is there any risk to a concrete foundation from adding interior insulation?

...al heat from the natural gas furnace. if I replace the furnace with a heat pump and potentially also install a heat pump water heater, I expect my basement temp...

Posted by Drew Tozer Jan. 5, 2021, 12:57 p.m. Basements improvements 9 Responses

Can you provide Crawlspace Insulation Design Assistance?

...ation wall, it will also create an air barrier, and enable you to create a crawlspace radon barrier as well. Insulating the joists is a fine idea, but I would...

Posted by Randy Christensen Dec. 10, 2019, 12:17 p.m. Crawl spaces 1 Responses

What are the factors I should consider for choosing between a slab on grade and basement?

...a full basement, what are the implications of having half of the footprint as a slab, and half basement? Thanks Shaun That is a common question, and a hot...

Posted by Shaun B April 2, 2019, 6:35 a.m. Slab on Grade 3 Responses

How do you insulate a cottage crawlspace? It's in the Haliburton Highlands

...att insulation between joists. The cottage crawlspace is divided in half by a styrofoam boundary. One half has all the plumbing, 2 radiators, spray foam around ...

Posted by Beata Domanska May 25, 2020, 11:38 a.m. Crawl spaces 1 Responses

How do you remove moisture and condensation from basement walls?

...ains what a mistake a basement vapor barrier is - Why are Basements Moldy? How to Fix & Prevent Mold in Homes A dehumidifier is a good thing to have in a ba...

Posted by Aaron Keating July 27, 2019, 4:51 p.m. Basements improvements 3 Responses

Can you install a slab on grade foundation in the Fall and leave it over winter?

...at we at least start with the foundation in the fall and then start work back up again in the spring. This may be okay when installing a full basement foundat...

Posted by Matthew Gioia Sept. 21, 2020, 9:15 p.m. Slab on Grade 1 Responses

Should I bother testing for radon in a gutted and uninsulated house?

...ave a vapor barrier, so just doing a vapor barrier itself puts you halfway to a passive radon stack, in that 6 mil poly vapor barriers are standard fare for rad...

Posted by Luba Sharapan March 27, 2021, 12:04 p.m. Radon in Homes - Mitigation 3 Responses

Should I install a poly moisture barrier before the rigid foam board against a basement wall?

...alkways that had cracked and settled on a slope towards the foudation wall. I installed window wells, added fill and re-graded the away from all foudation walls...

Posted by DONandCATHY Crenna Dec. 14, 2020, 2:21 p.m. Basements improvements 3 Responses

Can my shallow crawl space be converted to a slab foundation?

...at converting to a slab foundation and how might I go about it? Yes, you can convert a crawl space into a slab on grade foundation , it just isn’t a particularl...

Posted by Sian O'Keefe Aug. 15, 2020, 12:52 p.m. Slab on Grade 1 Responses

Can you jack up a cottage and build a slab on grade underneath it?

...a thermal battery. Perhaps this is not your area of expertise so I shall seek the answer elsewhere. Thanks again. If you raise your cottage and put an insulated...

Posted by William Rae June 6, 2021, 12:23 p.m. Slab on Grade 3 Responses

Where is the correct vapor barrier location in Chicago?

...aised ranches. I want to insulate this "overhang" area. The floor joist is 7". So 2 batts will fit in the area. What to do about a vapor barrier?? I can place a...

Posted by Joel Peerson Jan. 31, 2021, 7:31 p.m. Air and vapour barriers 2 Responses

Can you use spray foam Insulation under a slab?

...ay foam If you need it as a vapor barrier, air barrier, or to insulate difficult areas like basement rim joists or to create a radon barrier in a crawl space ...

Posted by Linda Martin April 6, 2020, 11:54 a.m. Slab on Grade 1 Responses

Would you recommend Legalett over water radiant floor heat for a backyard studio in Toronto?

...alled a Legalett air-heated floor, below is a link to an installation video as well as a few other resources on slabs. Legalett Solar Air Heated Slab on Gra...

Posted by Christine Pountney May 2, 2019, 1:22 p.m. Delivery: radiant, forced-air and decentralized 1 Responses

What is the best way to finish basement walls?

...at, an interior vapour barrier is always a bad idea in basements. What condition was it in? That will give you an indication of what state the rest of your wall...

Posted by Aram Scaram Jan. 21, 2021, 5:13 p.m. Basements improvements 3 Responses

What are the options for adding Exterior Roof Insulation?

...ary. A product that may actually fit your purpose is ThermalWall insulation panels if the circumstances are right. They are foam panels with a metal rail in the...

Posted by Marlo Raynolds Aug. 29, 2020, 9:19 p.m. Roof assemblies - renovation 4 Responses

Should I put foam boards right against my basement wall or leave an air gap?

...ana and the basement to our home has no insulation with a cinderblock wall that they have either applied white paint or drylok to, can't tell though. The baseme...

Posted by Elijah Hargett Jan. 9, 2021, 5:31 p.m. Foundation and basement improvements 4 Responses